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' , . , , <br /> • 2. sele�t perforatan spacing= I 3 Ift <br /> ��..+k�..,� <br /> 3. S�{.i,n.ce pe�f�o{ratbYna�should not bo plaoed d_o•,s�e��th{at 1�f�o{o`t tor <br /> �Y{�1V���,.�y W�IWI��(�e��m�r iYYfiOM 2�W{IINII �.►.wd.r� � . Yel�eek <br /> Y R,VM�� /br(:SiaAnp.1/If.'-1/f' <br /> AVERAGE 36 -2 R= 34 ft �.r�.-•�..K�.+�_s <br /> 4. Determine Uie number of spaoes between pertorations• <br /> Oivide the k�gth(3)bY Pe�o�fion aP�9(2)and round down�o nearest whole number. <br /> Petforation sPacin9= 34 ft/ 3 ft= 11 <br /> 5. Seied perMration siae 7l�' � inch <br /> 6. Number of peAoradons is equal�o one plus tl�e n�nber of Perforatan spaoes(4)• <br /> 'Check 89�e E-4 lo assure the n�nber of perlb�frons Per�l�es <br /> <10%�erge ve/iation. <br /> 11 spaces+1= 12 perforationsAa�e►al <br /> -4 �an umb� 1/4 -b un Nan 311 Mch <br /> Is�srat to <10% variatla� ta�al to c10% variatton <br /> Pa <br /> �q�9 p�p��r gpacin9 Pipe Di�neber <br /> ft 1 ir�ch 1.25 inch 1.5 inch 2.0 inch feet 1 inch 125 inch 1.5�ch 2.0 inch <br /> 2. 8 1 18 28 2. 12 1 5 39 <br /> 3.0 S 13 17 26 3 11 18 24 37 <br /> 3.3 7 12 16 25 3.3 10 17 23 36 <br /> 4.0 7 11 15 23 4 10 16 21 3:i <br /> 5.0 6 10 14 22 5 9 15 20 31 <br /> 7. A.Total number of perfo�s=perForationa per laterai(5)times number af laterals(1). <br /> 12 perfsl lat x 6 laterals= 7'2 perforations <br /> B.Calculate the square footage Pe�Pe�Wratio�- <br /> R�eoommended�a�ue is s-1 o sqff/pe�f.ooes noc�►to at�rsdes. <br /> 1. Rodc bad area=rodc width(R)x rodc length(ft) <br /> 25 ft x � R= 900 it� <br /> S4uare P�P��odc 8ed Area/number oi perfs(6) <br /> 900.0 R� / 7Z perfs = 12.5 it�/perF <br /> 8. Determine required flow rale by mu�ipying the total number <br /> of Perfor�on$(6A)bY�P�P8�see fgure E-6) <br /> 72 perfs x 0.56 gpn/perfs= 40.3 9W�'� <br /> E�$ <br /> iameter <br /> feet inches <br /> 3J1 7/32 1/4 <br /> 1 0.4 .56 0.74 <br /> 2° 0.59 0.80 1.04 <br /> 5 0.94 1.26 1.65 <br /> a uae t.o toa wr ainglstamiy nomas. ;---------- -- --- <br /> b.Use 2.0 test for else - -' � � �.. <br /> - - •:'1iM <br /> 9. Detertnine Minimum P�e Sae ., � . - --= ' =-- 3'�, ' <br /> A. Manifoid on End if laterals are oon�to header pipe ' : - .,..__ ,,., <br /> �.. <br /> as shown in Fgure E-1,to aelec:t minimum requked IaEeral !�..F,:�•���•emti,ea«.�. ; <br /> ,__.__------..________._.____ __ _ ____ <br /> diarr�eter;eMer figure E-4 or E-6 wiM perforadon spacing and <br /> number of perforations per latieral.Selec3 minimwn damete� <br /> for peAorated ta�als= ����hes <br /> B_ CAnbsr IA�oid. If perfOri�9d la�al system�a�t0 "��,,,'�;',',� _---=' -,�` <br /> manifold pipe near tl�e oer�sr,IkCe Fi�ure E-2.peiforaeed lalaral length(3) ~ •-l�-.�=f'=�==� .> <br /> arM number of per�oradons per laferal{5)wiY be appro�tely ;�- �,� -=- <br /> one half of that in s�p A. Using iheae vaNiea seled - -�-�`"-` ''• "i„,n <br /> minunum diameEer for perforaNd la�eral= �indtes "" l _ -"���L-�.,�. <br /> _ - ,�_ <br /> t that this a�a000rdatroe wdh aU adittar�ces.rules lawa. <br /> � (si9�adme)��' `��_(Ibense#) ��S�7 (da�e) <br />